:root {
  --navy: #1d314d;
  --navy-deep: #15263d;
  --navy-soft: #27405f;
  --orange: #f28c13;
  --orange-dark: #d97706;
  --sky: #39a7e0;
  --sky-soft: #e9f6fd;
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-alt: #f6f7f8;
  --text: #1d314d;
  --text-light: #ffffff;
  --muted: #5c6f86;
  --line: rgba(29,49,77,0.12);
  --radius: 18px;
  --shadow: 0 20px 45px rgba(29,49,77,0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(29,49,77,0.08);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}
.site-logo {
  width: 72px;
  height: auto;
  display: block;
}
.logo-text strong {
  display: block;
  font-size: 1rem;
  color: var(--navy);
}
.logo-text small {
  display: block;
  color: var(--muted);
}
.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 600;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 13px 20px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--orange);
  color: #fff;
  box-shadow: 0 10px 24px rgba(242,140,19,0.26);
}
.btn-primary:hover { background: var(--orange-dark); }
.btn-secondary {
  background: #fff;
  color: var(--navy);
  border-color: rgba(29,49,77,0.18);
}
.btn-secondary:hover {
  border-color: var(--sky);
  color: var(--navy-deep);
}
.btn-outline {
  background: #fff;
  color: var(--navy);
  border-color: rgba(29,49,77,0.18);
}
.btn-outline:hover {
  border-color: var(--orange);
  color: var(--navy-deep);
}
.btn-block { width: 100%; }
.hero {
  background:
    radial-gradient(circle at top right, rgba(57,167,224,0.18), transparent 24%),
    radial-gradient(circle at bottom left, rgba(242,140,19,0.18), transparent 26%),
    linear-gradient(180deg, #f8fbfe 0%, #edf5fb 100%);
  color: var(--text);
  padding: 72px 0 56px;
  border-bottom: 1px solid rgba(29,49,77,0.08);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 40px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--orange);
  font-weight: 800;
  margin-bottom: 14px;
}
h1, h2, h3 {
  line-height: 1.15;
  margin: 0 0 12px;
  color: var(--navy);
}
h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); }
h3 { font-size: 1.3rem; }
.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 760px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 26px 0 22px;
}
.hero-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--navy);
  font-weight: 500;
}
.hero-points li::before {
  content: "• ";
  color: var(--orange);
}
.hero-card .info-card {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(29,49,77,0.1);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.book-box {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(29,49,77,0.10);
}
.book-box small {
  display: block;
  margin-top: 10px;
  color: var(--muted);
}
.trust-bar {
  background: var(--navy);
  color: #fff;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 18px 0;
}
.trust-grid div { display: flex; flex-direction: column; }
.trust-grid strong { color: #fff; }
.trust-grid span { color: rgba(255,255,255,0.82); font-size: 0.92rem; }
.section { padding: 82px 0; }
.section.alt { background: var(--panel-alt); }
.section-head {
  max-width: 760px;
  margin-bottom: 32px;
}
.course-grid,
.three-grid,
.topics-grid,
.contact-grid,
.two-col,
.footer-wrap {
  display: grid;
  gap: 24px;
}
.course-grid { grid-template-columns: repeat(2, 1fr); }
.course-card {
  background: #fff;
  border: 1px solid rgba(29,49,77,0.10);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 10px 30px rgba(29,49,77,0.06);
}
.course-card.featured {
  border-color: rgba(242,140,19,0.45);
  box-shadow: 0 18px 40px rgba(242,140,19,0.14);
}
.tag {
  display: inline-block;
  font-size: 0.8rem;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(242,140,19,0.12);
  color: var(--orange-dark);
  font-weight: 700;
  margin-bottom: 10px;
}
.price {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--navy);
}
.course-card ul {
  margin: 18px 0 22px;
  padding-left: 18px;
}
.two-col {
  grid-template-columns: 1fr 1fr;
  align-items: start;
}
.feature-list {
  display: grid;
  gap: 16px;
}
.feature-item,
.panel,
.cta-box,
.contact-form,
.faq-list details {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(29,49,77,0.10);
  box-shadow: 0 8px 30px rgba(29,49,77,0.04);
}
.feature-item, .panel { padding: 22px; }
.feature-item h3, .panel h3 { color: var(--navy); }
.three-grid { grid-template-columns: repeat(3, 1fr); }
.topics-grid {
  grid-template-columns: repeat(3, 1fr);
}
.topic {
  background: #fff;
  border: 1px solid rgba(29,49,77,0.10);
  border-radius: 999px;
  padding: 14px 18px;
  text-align: center;
  font-weight: 700;
  color: var(--navy);
}
.faq-list {
  display: grid;
  gap: 14px;
}
.faq-list details { padding: 18px 20px; }
.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--navy);
}
.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 30px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.08);
}
.cta-box h2,
.cta-box p,
.cta-box .eyebrow { color: #fff; }
.cta-box .eyebrow { opacity: 0.82; }
.contact-grid {
  grid-template-columns: 0.95fr 1.05fr;
  align-items: start;
}
.contact-form {
  padding: 24px;
}
.contact-form label {
  display: block;
  margin-bottom: 14px;
  font-weight: 600;
  color: var(--navy);
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  margin-top: 6px;
  padding: 14px 15px;
  border-radius: 12px;
  border: 1px solid rgba(29,49,77,0.16);
  font: inherit;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--sky);
  box-shadow: 0 0 0 4px rgba(57,167,224,0.15);
}
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.86);
  padding: 28px 0;
}
.footer-wrap {
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

@media (max-width: 920px) {
  .hero-grid,
  .course-grid,
  .two-col,
  .three-grid,
  .topics-grid,
  .contact-grid,
  .footer-wrap,
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .nav {
    display: none;
  }
  .hero-points {
    grid-template-columns: 1fr;
  }
  .cta-box {
    flex-direction: column;
    align-items: flex-start;
  }
}

.contact-grid a, .info-card a, .site-footer a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}